* {
  margin: 0px;
  padding: 0px;
}

div .nav {
  width: 375px;
  height: 667px;
  margin: auto;
  border: 1px solid black;
}

div .nav-comtent {
  width: 375px;
  height: 44px;
  border: 1px solid black;
  background-color: red;
  display: flex;
  justify-content: center;
  position: relative;
}

div img {
  width: 20px;
  height: 18px;
  margin-left: -50px;
  margin-top: 13px;
}

div input {
  width: 273px;
  height: 30px;
  margin-top: 5px;
  margin-left: 5px;
  border-radius: 20px;
}

div .JD {
  position: absolute;
  right: 300px;
}

div .shu {
  width: 1px;
  height: 16px;
  background-color: black;
  position: absolute;
  right: 290px;
  top: 15px;
}

div .icon {
  width: 1em;
  height: 1em;
  vertical-align: -0.15em;
  fill: currentColor;
  overflow: hidden;
  position: absolute;
  right: 265px;
  top: 15px;
}

div .deng {
  display: block;
  width: 50px;
  height: 20px;
  color: white;
  top: 10px;
  position: absolute;
  right: 0px;
}

div .header {
  width: 375px;
  height: 150px;
  position: absolute;
  border: 1px solid black;
  background-color: red;
  top: 45px;
  border-bottom-left-radius: 15%;
  border-bottom-right-radius: 15%;
}

div .section {
  width: 375px;
  height: 269px;
  border: 1px solid black;
}

div .section-comtent {
  width: 2800px;
  height: 139.98px;
  margin: auto;
  border: 1px solid black;
  margin-top: 20px;
  position: relative;
  display: flex;
  animation: move 18s infinite;
}

div .tu {
  width: 350px;
  height: 139.98px;
  padding: 0px;
  margin: auto;
}

@keyframes move {
  0% {
    margin-left: 0px;
  }
  14% {
    margin-left: -350px;
  }
  29% {
    margin-left: -700px;
  }
  43% {
    margin-left: -1050px;
  }
  57% {
    margin-left: -1400px;
  }
  71% {
    margin-left: -1750px;
  }
  86% {
    margin-left: -2100px;
  }
  100% {
    margin-left: -2450px;
  }
}

div .section-comtent1 {
  width: 350px;
  height: 139.98px;
  border: 1px solid black;
  overflow: hidden;
}
